Skip to main content

Table 2 Reporting quality of key methodological items (n = 246)

From: Quality of randomized controlled trials reporting in the treatment of melasma conducted in China

Item Criteria Description Number of positive trials % Cohen’sкcoefficient 95% CI
8 Randomization Description of the method used to generate the random sequence 41 17 0.85 0.76 to 0.95
9 and 10 Allocation concealment and implementation Description of the method used to implement the random allocation sequence assuring the concealment until interventions are assigned 1 0 0.75 0.65 to 0.88
11 Blinding Whether or not participants, those administering the interventions, or those assessing the outcomes were blinded to group assignment 6 2 0.78 0.72 to 0.87
15 Baseline data An outline of baseline demographic and clinical characteristics of each group 147 60 0.82 0.78 to 0.90
16 Intent-to-treat analysis Number of participants in each group included in each analysis and whether it was done by ‘intention-to-treat’ 5 2 0.86 0.78 to 0.98